strela | 78f0286afc4f0431f26b7ed7c99d1df3eea9f113b5e11879c713761eb25e0cc5

General

Target
DOC_2963211543.js
Size 433KB
Sample231108-mag2cahe8x
SHA256 29a1f637c46f6f741a43d7882ec8d1449e518a76fe9f183a00cb735a04638bb9
MD5 59324c4538a9d5c0d48d736da17761af
SHA1 0bd4adddf0a608bd84ce7509413ef7aa2b370000
SHA512 f44f5022e1b526bf39b8418a791efdf5e8182fc5d14adc42d73d57ed484f0de89d5c4fc06f1ade33d0f89e7e634ea0698991c2f7e3dcb44ed5597795142134f4
SSDEEP 6144:STNXaFpqUiqZBl3g3c5u2Ln5mB2gfklftaHl1zWi9qgsgUpQ47GKM:STNXaFJhBl3gvIqmfaHqi9xbUS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strela stealer

Malware Config

Extracted

Family

strela

C2

193.109.85.77

Signatures

Strela
An info stealer targeting mail credentials first seen in late 2022.
stealer strela

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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	wscript.exe

Loads dropped DLL 1 IoCs

pid	Process
4572	regsvr32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 2624	3344	wscript.exe	84
PID 3344 wrote to memory of 2624	3344	wscript.exe	84
PID 2624 wrote to memory of 2088	2624	cmd.exe	91
PID 2624 wrote to memory of 2088	2624	cmd.exe	91
PID 2624 wrote to memory of 780	2624	cmd.exe	92
PID 2624 wrote to memory of 780	2624	cmd.exe	92
PID 2624 wrote to memory of 4572	2624	cmd.exe	93
PID 2624 wrote to memory of 4572	2624	cmd.exe	93

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\DOC_2963211543.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\DOC_2963211543.js" "C:\Users\Admin\AppData\Local\Temp\\obesecribboilsophisticated.bat" && "C:\Users\Admin\AppData\Local\Temp\\obesecribboilsophisticated.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\system32\findstr.exe
    findstr /V glisteningsqueezegiraffesearch ""C:\Users\Admin\AppData\Local\Temp\\obesecribboilsophisticated.bat""
    3⤵
    PID:2088
- - C:\Windows\system32\certutil.exe
    certutil -f -decode chopfangtowfoamy readyvigorousunlockorange.dll
    3⤵
    PID:780
- - C:\Windows\system32\regsvr32.exe
    regsvr32 readyvigorousunlockorange.dll
    3⤵
    - Loads dropped DLL
    PID:4572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

chopfangtowfoamy

Path C:\Users\Admin\AppData\Local\Temp\chopfangtowfoamy
Size 330KB
SHA256 f189721a89009220b0de52c4e728751b51dac776aa07191e0592edcf71f76705
MD5 7f13c357e717b04236390b557babee66
SHA1 b15771bbed119a74ebd41e5fa7a2d536f7c66c4f
SHA512 88d2322ec605e34acf1e594834e1da90c4b3140b366b55133cb91cea3139635842db51e39ad7c00aeb4e5975df565d790c6e44f42add990cec652168fdabafd2
SSDEEP 6144:zTNXaFpqUiqZBl3g3c5u2Ln5mB2gfklftaH3:zTNXaFJhBl3gvIqmfaH3
MD5 SHA1 SHA512 SSDEEP

Submit Download

obesecribboilsophisticated.bat

Path C:\Users\Admin\AppData\Local\Temp\obesecribboilsophisticated.bat
Size 433KB
SHA256 29a1f637c46f6f741a43d7882ec8d1449e518a76fe9f183a00cb735a04638bb9
MD5 59324c4538a9d5c0d48d736da17761af
SHA1 0bd4adddf0a608bd84ce7509413ef7aa2b370000
SHA512 f44f5022e1b526bf39b8418a791efdf5e8182fc5d14adc42d73d57ed484f0de89d5c4fc06f1ade33d0f89e7e634ea0698991c2f7e3dcb44ed5597795142134f4
SSDEEP 6144:STNXaFpqUiqZBl3g3c5u2Ln5mB2gfklftaHl1zWi9qgsgUpQ47GKM:STNXaFJhBl3gvIqmfaHqi9xbUS
MD5 SHA1 SHA512 SSDEEP

Submit Download

obesecribboilsophisticated.bat

Path C:\Users\Admin\AppData\Local\Temp\obesecribboilsophisticated.bat
Size 433KB
SHA256 29a1f637c46f6f741a43d7882ec8d1449e518a76fe9f183a00cb735a04638bb9
MD5 59324c4538a9d5c0d48d736da17761af
SHA1 0bd4adddf0a608bd84ce7509413ef7aa2b370000
SHA512 f44f5022e1b526bf39b8418a791efdf5e8182fc5d14adc42d73d57ed484f0de89d5c4fc06f1ade33d0f89e7e634ea0698991c2f7e3dcb44ed5597795142134f4
SSDEEP 6144:STNXaFpqUiqZBl3g3c5u2Ln5mB2gfklftaHl1zWi9qgsgUpQ47GKM:STNXaFJhBl3gvIqmfaHqi9xbUS
MD5 SHA1 SHA512 SSDEEP

Submit Download

readyvigorousunlockorange.dll

Path C:\Users\Admin\AppData\Local\Temp\readyvigorousunlockorange.dll
Size 247KB
SHA256 9862e890061dd478388d74a240665be0e6cdf1d28e8003dce8ed528faa911935
MD5 327d20392be28cb136ef2edfdd0d8f9e
SHA1 13c1e744339799b34390cac04af6635d670817b5
SHA512 3959f4d3337669e1e429af3950a5e71914bce14e9c35937abb27bad8e8c2f60a4afb3873e6cd318cb2c2004c23c6287c404adaeaf381a03c760aaad65e839056
SSDEEP 3072:WQUkVFdeXm+8tqTRca2JzWiYdWcFInE6z2aF1KrP/MohDSs4sHP4UqpN6GxTKNrB:UlYI2Jz1cFIt2aF1Kooh+nOPnuHTKdB
MD5 SHA1 SHA512 SSDEEP

Submit Download

readyvigorousunlockorange.dll

Path C:\Users\Admin\AppData\Local\Temp\readyvigorousunlockorange.dll
Size 247KB
SHA256 9862e890061dd478388d74a240665be0e6cdf1d28e8003dce8ed528faa911935
MD5 327d20392be28cb136ef2edfdd0d8f9e
SHA1 13c1e744339799b34390cac04af6635d670817b5
SHA512 3959f4d3337669e1e429af3950a5e71914bce14e9c35937abb27bad8e8c2f60a4afb3873e6cd318cb2c2004c23c6287c404adaeaf381a03c760aaad65e839056
SSDEEP 3072:WQUkVFdeXm+8tqTRca2JzWiYdWcFInE6z2aF1KrP/MohDSs4sHP4UqpN6GxTKNrB:UlYI2Jz1cFIt2aF1Kooh+nOPnuHTKdB
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4572-259-0x000000006D7C0000-0x000000006D805000-memory.dmp

Download

memory/4572-260-0x00000000022E0000-0x0000000002301000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads