buer | 9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1

Analysis

max time kernel
134s
max time network
136s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
11-04-2024 16:02

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General

Target

9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe
Size

456KB
MD5

83de75abd72d9b16505f3af9822ae06c
SHA1

e73ecec93154443e4e534b0e5986cb161fcaa94c
SHA256

9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1
SHA512

498c8dba0c39e2294e65386f58f6ae916c0b6b07f2eb87023dcb8189777f0c2daa7ba92cffcdbc2de166f2a8b232bb53962f7bc3cf531d1c81545196642fe1a2
SSDEEP

12288:8RwmcaqM89yGTXCyrZACb7VOYucR9T7aX:8Rw+89JTyyF5XVOYuWt7aX

Score

10^/10

buer stealc zgrat discovery loader rat spyware stealer

Malware Config

Signatures

Buer
Buer is a new modular loader first seen in August 2019.
loader buer

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral2/memory/1912-147-0x000002823E590000-0x0000028241E88000-memory.dmp	family_zgrat_v1
behavioral2/memory/1912-149-0x000002825C6D0000-0x000002825C7E0000-memory.dmp	family_zgrat_v1
behavioral2/memory/1912-153-0x0000028243CF0000-0x0000028243D14000-memory.dmp	family_zgrat_v1

Stealc
Stealc is an infostealer written in C++.
stealer stealc
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2356	u1ic.0.exe
3000	u1ic.1.exe
4688	DBKKFCBAKK.exe

Loads dropped DLL 2 IoCs

pid	Process
2356	u1ic.0.exe
2356	u1ic.0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3440	1956	WerFault.exe	76
3164	2356	WerFault.exe	77

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ic.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ic.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ic.1.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u1ic.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1ic.0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4980	PING.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2356	u1ic.0.exe
2356	u1ic.0.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2356	u1ic.0.exe
2356	u1ic.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe
3000	u1ic.1.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2356	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	77
PID 1956 wrote to memory of 2356	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	77
PID 1956 wrote to memory of 2356	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	77
PID 1956 wrote to memory of 3000	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	80
PID 1956 wrote to memory of 3000	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	80
PID 1956 wrote to memory of 3000	1956	9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe	80
PID 3000 wrote to memory of 1912	3000	u1ic.1.exe	85
PID 3000 wrote to memory of 1912	3000	u1ic.1.exe	85
PID 2356 wrote to memory of 1444	2356	u1ic.0.exe	88
PID 2356 wrote to memory of 1444	2356	u1ic.0.exe	88
PID 2356 wrote to memory of 1444	2356	u1ic.0.exe	88
PID 1444 wrote to memory of 4688	1444	cmd.exe	92
PID 1444 wrote to memory of 4688	1444	cmd.exe	92
PID 1444 wrote to memory of 4688	1444	cmd.exe	92
PID 4688 wrote to memory of 2200	4688	DBKKFCBAKK.exe	93
PID 4688 wrote to memory of 2200	4688	DBKKFCBAKK.exe	93
PID 4688 wrote to memory of 2200	4688	DBKKFCBAKK.exe	93
PID 2200 wrote to memory of 4980	2200	cmd.exe	95
PID 2200 wrote to memory of 4980	2200	cmd.exe	95
PID 2200 wrote to memory of 4980	2200	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe
"C:\Users\Admin\AppData\Local\Temp\9ceb93b7425fa42dfc59b9d20c8fd6734878df21812a6b9e13f9313bf62ef7c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\u1ic.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ic.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DBKKFCBAKK.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - C:\Users\Admin\AppData\Local\Temp\DBKKFCBAKK.exe
      "C:\Users\Admin\AppData\Local\Temp\DBKKFCBAKK.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4688
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DBKKFCBAKK.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2200
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        6⤵
        Runs ping.exe
        
        PID:4980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 2472
    3⤵
    - Program crash
    PID:3164
- C:\Users\Admin\AppData\Local\Temp\u1ic.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ic.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
    "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1524
  2⤵
  - Program crash
  PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1956 -ip 1956
1⤵
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2356 -ip 2356
1⤵
PID:3308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\DBKKFCBAKK.exe

Filesize
106KB

MD5
fe380780b5c35bd6d54541791151c2be

SHA1
7fe3a583cf91474c733f85cebf3c857682e269e1

SHA256
b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

SHA512
ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

Filesize
3KB

MD5
37db8303fe2836cb7193b0bec4512445

SHA1
2704ee2d1a5871ae89180dac0318d398ea8ac65f

SHA256
ef7e17bba725ba3d9d8be23998ceeb8b1b000433ad1a72fcb1dad135397aeb67

SHA512
d1d1c5f3353178875bec3b91c48332e4ccba658cb8534360b156f7abc027de85132497e0254c5ba596ec46883a455de3ea25576c0fe2f79b053b65d2e5b190de

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1ic.0.exe

Filesize
281KB

MD5
adab6348b96e819f0d59f7d6864bc11b

SHA1
e218bcd61521022b74781b9858e9161c1836a40b

SHA256
6bb157b2daa82f24f79557a3adbeb3a69bbbcbdf20cbe8d2d1629d329689eb31

SHA512
d032ed813f4a1c049ce78933475e4d22c66627237a7fe3700344544e233d7ddad329f89384d74120374990505d78faef747a926b02c2bb3638816c38fa6094ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1ic.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1912-155-0x000002825C530000-0x000002825C55A000-memory.dmp

Filesize
168KB

Download
memory/1912-147-0x000002823E590000-0x0000028241E88000-memory.dmp

Filesize
57.0MB

Download
memory/1912-158-0x000002825C560000-0x000002825C5C2000-memory.dmp

Filesize
392KB

Download
memory/1912-206-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-159-0x000002825CAE0000-0x000002825CB56000-memory.dmp

Filesize
472KB

Download
memory/1912-205-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-204-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-199-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-196-0x00007FFFD9BB0000-0x00007FFFDA672000-memory.dmp

Filesize
10.8MB

Download
memory/1912-180-0x0000028261690000-0x00000282616AE000-memory.dmp

Filesize
120KB

Download
memory/1912-179-0x0000028261660000-0x0000028261682000-memory.dmp

Filesize
136KB

Download
memory/1912-178-0x00000282615C0000-0x00000282615CC000-memory.dmp

Filesize
48KB

Download
memory/1912-177-0x0000028261610000-0x0000028261660000-memory.dmp

Filesize
320KB

Download
memory/1912-174-0x0000028261D60000-0x0000028262288000-memory.dmp

Filesize
5.2MB

Download
memory/1912-173-0x00000282615A0000-0x00000282615C2000-memory.dmp

Filesize
136KB

Download
memory/1912-172-0x0000028261820000-0x000002826182A000-memory.dmp

Filesize
40KB

Download
memory/1912-146-0x00007FFFD9BB0000-0x00007FFFDA672000-memory.dmp

Filesize
10.8MB

Download
memory/1912-169-0x0000028260F10000-0x0000028260F48000-memory.dmp

Filesize
224KB

Download
memory/1912-148-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-149-0x000002825C6D0000-0x000002825C7E0000-memory.dmp

Filesize
1.1MB

Download
memory/1912-150-0x0000028243BB0000-0x0000028243BC0000-memory.dmp

Filesize
64KB

Download
memory/1912-151-0x0000028243CA0000-0x0000028243CAC000-memory.dmp

Filesize
48KB

Download
memory/1912-152-0x0000028243C90000-0x0000028243CA4000-memory.dmp

Filesize
80KB

Download
memory/1912-153-0x0000028243CF0000-0x0000028243D14000-memory.dmp

Filesize
144KB

Download
memory/1912-160-0x0000028243C70000-0x0000028243C7A000-memory.dmp

Filesize
40KB

Download
memory/1912-168-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-156-0x000002825C930000-0x000002825C9E2000-memory.dmp

Filesize
712KB

Download
memory/1912-157-0x000002825C9E0000-0x000002825CA5A000-memory.dmp

Filesize
488KB

Download
memory/1912-170-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-171-0x0000028260EE0000-0x0000028260EEE000-memory.dmp

Filesize
56KB

Download
memory/1912-154-0x000002825C510000-0x000002825C51A000-memory.dmp

Filesize
40KB

Download
memory/1912-164-0x000002825CB60000-0x000002825CE60000-memory.dmp

Filesize
3.0MB

Download
memory/1912-166-0x0000028243BC0000-0x0000028243BD0000-memory.dmp

Filesize
64KB

Download
memory/1912-167-0x0000028260810000-0x0000028260818000-memory.dmp

Filesize
32KB

Download
memory/1956-64-0x0000000002F10000-0x0000000002F7C000-memory.dmp

Filesize
432KB

Download
memory/1956-3-0x0000000000400000-0x0000000002D50000-memory.dmp

Filesize
41.3MB

Download
memory/1956-53-0x0000000000400000-0x0000000002D50000-memory.dmp

Filesize
41.3MB

Download
memory/1956-1-0x0000000002F80000-0x0000000003080000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x0000000002F10000-0x0000000002F7C000-memory.dmp

Filesize
432KB

Download
memory/2356-182-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/2356-14-0x0000000003090000-0x00000000030B7000-memory.dmp

Filesize
156KB

Download
memory/2356-140-0x0000000003100000-0x0000000003200000-memory.dmp

Filesize
1024KB

Download
memory/2356-198-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/2356-13-0x0000000003100000-0x0000000003200000-memory.dmp

Filesize
1024KB

Download
memory/2356-122-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/2356-100-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/2356-15-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/2356-31-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2356-141-0x0000000000400000-0x0000000002D25000-memory.dmp

Filesize
41.1MB

Download
memory/3000-101-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3000-145-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3000-144-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/3000-26-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/3000-139-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4688-195-0x00000000007D0000-0x00000000007F0000-memory.dmp

Filesize
128KB

Download
memory/4688-203-0x0000000072070000-0x0000000072821000-memory.dmp

Filesize
7.7MB

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memory/4688-200-0x00000000051B0000-0x00000000051C0000-memory.dmp

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64KB

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memory/4688-197-0x0000000072070000-0x0000000072821000-memory.dmp

Filesize
7.7MB

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