stealc | 6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1

General

Target

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
Size

416KB
MD5

269457f620a3a0d00c2dca23c405a2d8
SHA1

2a841b41ce97d35de6601a148c5fb40d03062941
SHA256

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1
SHA512

0e5e3de366f4e37a40539836379021a6bc127d209cb9f76421ee79a9c41541868d511395af8bd797b930944be1e0cb754a0fc29e8b2bfc056158420b032392d8
SSDEEP

6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk01:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k01

Score

10^/10

stealc zgrat discovery rat stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.php

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral1/memory/2716-79-0x00000000012A0000-0x0000000004AD4000-memory.dmp	family_zgrat_v1
behavioral1/memory/2716-80-0x000000001EEC0000-0x000000001EFCA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2716-84-0x000000001E460000-0x000000001E484000-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 2 IoCs

pid	Process
1344	u1j8.0.exe
2548	u1j8.1.exe

Loads dropped DLL 8 IoCs

pid	Process
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe

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

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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1j8.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1j8.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1j8.1.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	u1j8.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1j8.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1344	u1j8.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe
2548	u1j8.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1344	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1988 wrote to memory of 1344	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1988 wrote to memory of 1344	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1988 wrote to memory of 1344	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1988 wrote to memory of 2548	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	30
PID 1988 wrote to memory of 2548	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	30
PID 1988 wrote to memory of 2548	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	30
PID 1988 wrote to memory of 2548	1988	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	30
PID 2548 wrote to memory of 2716	2548	u1j8.1.exe	31
PID 2548 wrote to memory of 2716	2548	u1j8.1.exe	31
PID 2548 wrote to memory of 2716	2548	u1j8.1.exe	31
PID 2548 wrote to memory of 2716	2548	u1j8.1.exe	31

C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
"C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\u1j8.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1j8.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1344
- C:\Users\Admin\AppData\Local\Temp\u1j8.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1j8.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\7e495567f7d740eaaf91825845b0fe4b.tmp

Filesize
1KB

MD5
b103282589cd4609f6d830f5a875c028

SHA1
7748d2647669b73aaf888036f616c454d8f00660

SHA256
026c32bd4aeb87adec2344452a8837ba393023fd0d32d9d7b215808509d14e21

SHA512
1f2533a2a58c0eb3ba8905a251b43d598c01a9af601b99a3413ef923919aa89a7ffd1ebc58a93a1b0eaea2e4ba033a192d7712abfb229656946a9d115ebd1ce5

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

Filesize
2KB

MD5
18c5dd90e0be90087c868ec278918ec0

SHA1
bcb07cee44f00c5c0b717f8e070e35253d0b56f7

SHA256
bf72f7eb8ac43c45bb81fd8cbe24690d5ec12962421a35815c3918a293a07bcd

SHA512
2d87340bc4c396cfe1cd561e84ad300c3252c874a7c105d87da9022e239632238b61fa65e47796dca9968e706a3fd24a2e995f877848acb94302a26b6d48bd5a

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

Filesize
3KB

MD5
ec8d2811915a63e0159c933ddd7d00de

SHA1
090fe82fd93c116a64792b4f443e96f373b64b35

SHA256
9fbcf9b1676395e6c002dcdd4bcb79d4440c4815eace2396590575f150662268

SHA512
4f2912b80805f849274ed06d1a38b8d8ee5d012691654daf3af8ab19e45b3f9cef347d40891cc1decafbc318b5464a80096a5c8f02fd2804e057df31b2e70d76

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1j8.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
\Users\Admin\AppData\Local\Temp\u1j8.0.exe

Filesize
223KB

MD5
280229b137b0f36f2b18b9bc7841995d

SHA1
d800c8ecc758ccacfe9a91efd45904efcc17b84a

SHA256
49533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536

SHA512
aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5

Download Submit
memory/1344-139-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1344-135-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1344-112-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1344-21-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1344-126-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1988-20-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/1988-40-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/1988-22-0x0000000001BE0000-0x0000000001CE0000-memory.dmp

Filesize
1024KB

Download
memory/1988-1-0x0000000001BE0000-0x0000000001CE0000-memory.dmp

Filesize
1024KB

Download
memory/1988-2-0x0000000000260000-0x00000000002CC000-memory.dmp

Filesize
432KB

Download
memory/1988-41-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1988-42-0x0000000001BE0000-0x0000000001CE0000-memory.dmp

Filesize
1024KB

Download
memory/1988-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1988-25-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2548-78-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2716-84-0x000000001E460000-0x000000001E484000-memory.dmp

Filesize
144KB

Download
memory/2716-88-0x000000001F500000-0x000000001F5B2000-memory.dmp

Filesize
712KB

Download
memory/2716-87-0x000000001EB50000-0x000000001EB7A000-memory.dmp

Filesize
168KB

Download
memory/2716-81-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/2716-89-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

Filesize
40KB

Download
memory/2716-93-0x000000001FB40000-0x000000001FE40000-memory.dmp

Filesize
3.0MB

Download
memory/2716-95-0x0000000001070000-0x000000000107A000-memory.dmp

Filesize
40KB

Download
memory/2716-97-0x000000001DEE0000-0x000000001DF42000-memory.dmp

Filesize
392KB

Download
memory/2716-98-0x000000001E430000-0x000000001E452000-memory.dmp

Filesize
136KB

Download
memory/2716-96-0x0000000001280000-0x000000000128A000-memory.dmp

Filesize
40KB

Download
memory/2716-101-0x0000000001290000-0x000000000129C000-memory.dmp

Filesize
48KB

Download
memory/2716-105-0x0000000001070000-0x000000000107A000-memory.dmp

Filesize
40KB

Download
memory/2716-86-0x000000001E9C0000-0x000000001E9CA000-memory.dmp

Filesize
40KB

Download
memory/2716-83-0x00000000010C0000-0x00000000010D4000-memory.dmp

Filesize
80KB

Download
memory/2716-82-0x000000001DF40000-0x000000001DF4C000-memory.dmp

Filesize
48KB

Download
memory/2716-80-0x000000001EEC0000-0x000000001EFCA000-memory.dmp

Filesize
1.0MB

Download
memory/2716-79-0x00000000012A0000-0x0000000004AD4000-memory.dmp

Filesize
56.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads