0b061b8c95484ee0631a198c74183a76bdb2a908d19e71f95e191e018a076642

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/05/2026, 09:10

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General

Target
2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe
Size 2.4MB
Sample260503-k41pfaev2w
SHA256 0b061b8c95484ee0631a198c74183a76bdb2a908d19e71f95e191e018a076642
MD5 7c4c2466ca750d89a898d57c143d0c69
SHA1 20a0e9aee51e3b7849d83d2d0f362ed3d7d32484
SHA512 460842db815ebb11393112a3a58f7c51d13ba5b68793f80ad49a42b9cfbd988913ce06f1523409897cf7a88072129fe1f20e49dd50125fb7531787137a125d93
SSDEEP 24576:2mccyD97CUotB0TTn+L3L/2oAfNs4cpTYUi0yy00bfkc3u70gsd7djF1X:2mDyQCX+L6oA1Hc700b8ceAvd7Z/
TLSH
T10EB5D09952C35167C3D39077E9729251263E7C9A1346304378FFE22C54A82E5E3FBACA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

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-1-5-21-721190819-434563495-2007910846-1000\Control Panel\International\Geo\Nation	2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe

Executes dropped EXE 3 IoCs

pid	Process
4772	putty.exe
4740	OfficeC2RClient.exe
4896	CompatTelRunner.exe

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-1-5-21-721190819-434563495-2007910846-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CompatTelRunner = "\"C:\\ProgramData\\Microsoft\\Windows\\AppReadiness\\CompatTelRunner.exe\""	OfficeC2RClient.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4772	4956	2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe	84
PID 4956 wrote to memory of 4740	4956	2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe	85
PID 4740 wrote to memory of 4896	4740	OfficeC2RClient.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-03_7c4c2466ca750d89a898d57c143d0c69_akira_cobalt-strike_rusty-stealer_satacom.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\putty.exe
  "C:\Users\Admin\AppData\Local\Temp\putty.exe"
  2⤵
  - Executes dropped EXE
  PID:4772
- C:\Users\Admin\AppData\Local\Temp\OfficeC2RClient.exe
  "C:\Users\Admin\AppData\Local\Temp\OfficeC2RClient.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\ProgramData\Microsoft\Windows\AppReadiness\CompatTelRunner.exe
    "C:\ProgramData\Microsoft\Windows\AppReadiness\CompatTelRunner.exe"
    3⤵
    - Executes dropped EXE
    PID:4896

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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OfficeC2RClient.exe

Path C:\Users\Admin\AppData\Local\Temp\OfficeC2RClient.exe
Size 151KB
SHA256 d9ccd238e4fb66aeee55340175fe16ed18a42d02ed8d1ffbf2c06a2f37c75173
MD5 a2f26601edbfc0510d25438821378c1b
SHA1 e60c35723953eed175eb9365b8e19da0c990da78
SHA512 ef2e19a3e3876a0532a6387896399c29b7ee287e260e8adc8fcad1a2ee029b43022494af3bc5a7ba12aedd0ccbc06d80a9ca60a71b28c8f048b17e2c1c3ed821
SSDEEP 1536:PdcyKyY0DOcqSuSNliPwidqmxrpW9RKEPEun4Dqfb5WeS2ZxgAtXHVZJseCBm5uy:P55qSrL8UCW9RfPj4DqkPAXHbCBm5jH
TLSH
T163E36B13FD8474B9E14BC078831586626776B8C50F2269FF13A43234AF6AAF17F78619
MD5 SHA1 SHA512 SSDEEP TLSH

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putty.exe

Path C:\Users\Admin\AppData\Local\Temp\putty.exe
Size 1.6MB
SHA256 16cbe40fb24ce2d422afddb5a90a5801ced32ef52c22c2fc77b25a90837f28ad
MD5 36e31f610eef3223154e6e8fd074190f
SHA1 1f2800382cd71163c10e5ce0a32b60297489fbb5
SHA512 6971943ccf351e480745362a4c589bd0b3e07a86f76aa77831fd1bfa9c701aadcb4efe97ae4baa0558980e2309a5ff4fce42172b836955f073a15512a6486f0f
SSDEEP 49152:9xKA15VC4s6BwJQRVp5r6vzCpJXXiILleQd:97GCp53P
TLSH
T18085AE17B29600EDC06EC17987565122FA71BC850730BADF17A8A7252E36FD06F3EB25
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4740-21-0x000001FB14F90000-0x000001FB14FC0000-memory.dmp

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memory/4772-22-0x0000024A0B4F0000-0x0000024A0B520000-memory.dmp

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memory/4896-23-0x00000202C6880000-0x00000202C68B0000-memory.dmp

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memory/4956-15-0x000001430AD40000-0x000001430AD70000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads