b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed

General

Target

b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe
Size

78KB
MD5

91bc40189ed4720fc12f2acecf4d1891
SHA1

8800564f56f16384e54b98bebfeb90d10cea65ef
SHA256

b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed
SHA512

18571e7e72e74a78691f89367a502edfa974b578345574e7527a997ff61c6372096245c7e6b727a726f42991a9947c65c627b1663187e44fb403bd49dda917b6
SSDEEP

1536:hXPWV5jSfAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti6H9/c1n1:ZPWV5jSfAtWDDILJLovbicqOq3o+n/9k

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe

Executes dropped EXE 1 IoCs

pid	Process
3476	tmp9460.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp9460.tmp.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp9460.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe
Token: SeDebugPrivilege	3476	tmp9460.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 1284	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	82
PID 5020 wrote to memory of 1284	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	82
PID 5020 wrote to memory of 1284	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	82
PID 1284 wrote to memory of 1468	1284	vbc.exe	84
PID 1284 wrote to memory of 1468	1284	vbc.exe	84
PID 1284 wrote to memory of 1468	1284	vbc.exe	84
PID 5020 wrote to memory of 3476	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	85
PID 5020 wrote to memory of 3476	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	85
PID 5020 wrote to memory of 3476	5020	b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe	85

C:\Users\Admin\AppData\Local\Temp\b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe
"C:\Users\Admin\AppData\Local\Temp\b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\-tx899bb.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES955A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc6C2D1D942B5459188748818739B3CA.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1468
- C:\Users\Admin\AppData\Local\Temp\tmp9460.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9460.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b8e7f397929414a5cfc35f04a3448131f80a75b859135b906294197f225a51ed.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\-tx899bb.0.vb

Filesize
14KB

MD5
4340b7dd8927a73085f04798b5c5bb0f

SHA1
93797a9ac66d325f94a7cfcbbda4a045652e2a65

SHA256
fc6016d2a656e49dba208832800a825f9a7b6b444038c059d1e0dfa77b68f1c6

SHA512
e853358f838aae6fcba3e511082486e37202e9e10beeb8b724225127440415fae5971b61616e7af73fe0413f0d38b8f516960a1c2c8af5233ff9110cfa6dfd5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\-tx899bb.cmdline

Filesize
266B

MD5
6b313a5083b01fbf50ee4938a693c113

SHA1
eadf8f67e54b3a1dbd4053a344d8d273ef78c511

SHA256
b7b8e9bf4bfe9c12cbf830103f37f014e71d54a65471195d076280681cc8a8f0

SHA512
8bb718b5f3e71bf6d0d43aab78a5d5e093e39fa71b635a894b2104456ed18e858f311f3e8c9e084bf8de5b3fa5086756698ca635521996bc37a27f577f9caf1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES955A.tmp

Filesize
1KB

MD5
fd80aa9fc2152500642eada01977d89e

SHA1
ced22b34555a78724dbb814a156ae66795212a71

SHA256
245efbdfc17795ad09e6441efe6e3551624d29e3adee03a46dd8bcfb3e4816d5

SHA512
8a756245d544a7aca1d503b12b5f5919140e1e620a8d12eeb8aea25b69f38bcb2d05805a12cb30fc80c7cdde260f799665157b503632e78397dfcbefc7040209

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9460.tmp.exe

Filesize
78KB

MD5
69fe1faed24bbf59b6191832793f0a6b

SHA1
7cd8571928aa56c7d212d3310bd8c312c3d4cf04

SHA256
ac1af01f3a03fb7ea9b7c5dc0445ab3e386341a9c3496306c618742a746ef57e

SHA512
8c45f1878d3ae3827fdaab4462aec03a7da45127dd30c57d3566d97e55ec4f64bf046aa03be66eb1c4e480a9600d9ebd6b3d2ea9ff9a86e9ab8e1be3bbc669ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc6C2D1D942B5459188748818739B3CA.TMP

Filesize
660B

MD5
c942b770fccb7be816fb01f94e7667e8

SHA1
531253a870046ba2bc8caa4293b8de60260c0583

SHA256
ed4a2053a588d5138a16ffb92c7e9f15ff42a2b05223daf1d5fcb9fa2c84f05a

SHA512
90a5a612af2ba5df8e36eb8925788583715ff81c3fdded4cf26e4ed85dca5a7da48729238d9337b6204c26685c6e8dfb08997f7720cd106ff6a75f9945968fde

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1284-8-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/1284-18-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3476-23-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3476-24-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3476-25-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3476-26-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3476-27-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/5020-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

Filesize
4KB

Download
memory/5020-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/5020-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/5020-22-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads